8000 Java 8 test programs · suneeshjoshi/JavaDevelopment@f008109 · GitHub
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Java 8 test programs
Adding Java 8 test program
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‎Java8/.classpath

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>

‎Java8/.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>Java8</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>

‎Java8/.settings/org.eclipse.jdt.core.prefs

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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=1.8
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org.eclipse.jdt.core.compiler.debug.lineNumber=generate
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org.eclipse.jdt.core.compiler.debug.localVariable=generate
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org.eclipse.jdt.core.compiler.debug.sourceFile=generate
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.source=1.8

‎Java8/bin/java8/Program1.class

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‎Java8/src/java8/Program1.java

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package java8;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Random;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.stream.Collectors;
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public class Program1 {
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static boolean mapFunc(int i) {
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return i>3;
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}
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public static void main(String[] args) {
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// HashMap hm = new HashMap();
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List<Integer> l = Arrays.asList(1,2,3,4,5,6);
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List collect1 = (List) l.stream().map(f->mapFunc(f)==true).collect(Collectors.toList());
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List collect2 = (List) l.stream().filter(f->f%3==0).collect(Collectors.toList());
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collect1.forEach(i->System.out.println(i));
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collect2.forEach(i->System.out.println(i));
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l.forEach(i->System.out.println(i));
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Random r = new Random();
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r.ints(2000).parallel().filter(f->f%7==0).forEach(f->System.out.println(f));
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//
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// ExecutorService exec = Executors.newFixedThreadPool(100);
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// System.out.println("START");
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//
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// for(int i=0;i<100;i++) {
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// exec.submit(()->{
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// int s = ( new Random().nextInt(10000)%5)* 10000;
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// System.out.println(Thread.currentThread().getName()+" - sleeping for "+s);
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// try {
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// Thread.sleep(s) ;
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// } catch (InterruptedException e) {
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// // TODO Auto-generated catch block
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// e.printStackTrace();
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// }
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// });
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// }
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//
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// exec.shutdown();
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//
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// System.out.println("FINISH");
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ExecutorService exec = Executors.newCachedThreadPool();
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System.out.println("START");
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for(int i=0;i<100;i++) {
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exec.submit(()->{
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int s = ( new Random().nextInt(10000)%5)* 10000;
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System.out.println(Thread.currentThread().getName()+" - sleeping for "+s);
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try {
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Thread.sleep(s) ;
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} catch (InterruptedException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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});
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}
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// exec.shutdown();
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System.out.println("FINISH");
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}
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}

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